I try to change a date from Gregorian date to local date (Jalali). with this code: document.write(new Date().toLocaleString(“fa-IR”)) and it returns: ۱۴۰۱/۱۲/۲۲, ۱۱:۴۲:۰۰ But I need to be return output in English digits, like this: 1401/11/22, 11:42:00 >Solution : In toLocaleString the first option is preferred for language, if you want to have an Gregorian… Read More how to change .toLocaleString() digits to english?
I am trying to understand code solution to Find the Index of the First Occurrence in a String problem. I found this code online but I can quite wrap my head over the two ifs statements lines: if (needle[j] !== haystack[i + j]) break; if (j + 1 === needle.length) can someone break it down… Read More why have to use [i + j] and j+1 in the if-statements?
I’m trying to convert the following array of strings string[] to an array of objects with the following format [{"title": value "value": value }] This is the array I get locationQuery = [ "Antwerpen", "Hemiksem", "Antwerpenlei, Brasschaat", "Antwerpenplein, Gent", "Antwerpenstraat, Bredene", "Antwerpenstraat, Oostende", "’s-Herenstraat, Antwerpen", "’t Berkenveld, Antwerpen", "’t Doolhofje, Antwerpen", "’t Duivelshoekje, Antwerpen" ]… Read More Converting an array of strings into an array of objects with key value pairs in javascript
I use Quill.js editor for editing text, I have bold and italic button but the problem that I need to transform html to markdown. For correct markdown I need that there are no spaces before or after strong or em tag, the best place I think will be to move spaces in html string For… Read More How to move spaces after or before certain tags
How can I get a future unix timestamp in Javacript? ie, pass "2023-03-08 13:05:00" and get a unix timestamp corresponding to that time. All the examples I see use the getTime() function which is the current time like this: Javascript: future time as UNIX timestamp I found a solution in Php which I think serves… Read More Getting a Unix Timestamp for a future date and time in JavaScript
I create a simple map: const myMap = new Map([[[3,6], ‘hello’]]); Where the key is a two-item array. If I try to access it like so: console.log(myMap.get([3,6])) I will get undefined. However if I get the keys of that map: const keyArray = […myMap.keys()]; console.log(myMap.get(keyArray[0])) // hello I will be able to access that key.… Read More Access an item in map by two-item array key
For example: let x = 1 setInterval(() => x += 1, 1000) function f() { console.log(x) console.log(x) } When the function is called, are two outputs guaranteed to be the same? Or can the setInterval trigger between these two? I have tried to search MDN web docs on this topic, but I’m unfamiliar with the… Read More Is a Javascript function (without promises) guaranteed to run without interruption?
It seems like many of the methods for producing GUIDs are pretty conservative, producing guids with an astronomically small chance of collision. I’m wondering if, when you are producing key for a map of objects which are very unlikely to exceed 100K, it’s reasonable to use something other than GUID for a typical business application.… Read More Shorter random string good enough "locally unique" identifiers?
Having a string of the below structure how can i extract only the link portion of it. https://qr.1688.com/s/OaPpTrzR CZ0736 https://qr.1688.com/s/2Q8NXya1 CZ3050 const getShortUrl = (string) =>{ let query = string.trim().replaceAll(‘"’, ”); if(query.indexOf(‘https://qr’) >= 0){ return query.substring(query.indexOf(‘https://qr’)); } } But the above code return something like `https://qr.1688.com/s/2Q8NXya1 CZ3050` but what i wanted is something like this… Read More how to Extract Link part from a string in javascript
So, I am trying to run a function that grabs the key that was pressed and puts it in a variable. I have tried doing: let text = ""; function keys(){ let key = KeyboardEvent.name; text = text + key; document.querySelector("#text").innerHTML = text; } while(1===1){ document.onkeypress(keys()); } But it hasn’t thrown any errors at me… Read More Write keypresses to the DOM